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HAI's leading Warm Box Resin, Envirotherm, is designed for use in a broad variety of casting applications. It is a high tensile strength resin that provides improved core quality, reduced cycle times, and lower cure temperatures.


The HAI Envirotherm 170WF warm box resin system is a two part system composed of:

  • A furfuryl alcohol content copolymer
  • An acidic catalyst solution

The Envirotherm 170WF Resin is a warm box resin designed to give high tensile strength with improved humidity resistance, for use in a broad variety of casting applications

To learn more view our Envirotherm Technical Data Sheets.

Product Features

  • Envirotherm 170WF displays better Bench Life
  • Low free formaldehyde
  • High tensile strength that enables the use of low resin amounts
  • Catalyst usage can be lowered compared to typical warm box technologies
  • Good performance with high pH substrate
  • Excellent resistance to humidity
  • Good collapsibility
  • Less smoke and lower odor at mixing
  • Good bench life characteristics

Technical Assistance

HAI can help you optimize your operation, improve your performance, troubleshoot core or mold problems, and help you chose components to meet all your core making needs. HAI will help you choose the right Part 1 to Part 2 ratios for your operation. Contact us today and let one of our experienced employees help you find the "Best Total Solution".